Analog Devices Inc. ADL5356ACPZ-R7

Overview

ADL5356ACPZ-R7 from Analog Devices is a dual-balanced RF mixer IC with integrated LO buffer, IF amplifier, and on-chip RF baluns, operating from 1200 MHz to 2500 MHz RF input and delivering 8.2 dB power conversion gain, 9.9 dB SSB noise figure, and +31 dBm input IP3 for cellular base station receiver and transmit observation applications.

For engineers reviewing the ADL5356ACPZ-R7 datasheet, ADL5356ACPZ-R7 pinout, ADL5356ACPZ-R7 application, or ADL5356ACPZ-R7 equivalent, this page provides verified functional block context, validated 36-lead LFCSP pin mapping, confirmed dual-channel IF architecture, and real-world performance trade-offs across 3.3 V and 5 V supply operation.

Technical Context

The ADL5356ACPZ-R7 implements a doubly balanced passive mixer core with integrated RF and LO baluns, enabling single-ended 50 Ω RF/LO interface while maintaining >−35 dBm LO-to-RF leakage and >50 dB IF channel-to-channel isolation. Its BiCMOS process supports high linearity (IIP2 = 50 dBm) and wide dynamic range under both 5 V (350 mA) and 3.3 V (200 mA) bias conditions.

It features a high-isolation SPDT LO switch for TDD ping-pong operation between two LO inputs (LOI1/LOI2), programmable VGS control (VGS0–VGS2) for gain/noise/IIP3 optimization, and dedicated bias resistors (R1–R5) for independent LO/IF current tuning - all within a thermally enhanced 6 mm × 6 mm exposed-pad LFCSP package.

Key Specifications

Pinout & Package

ADL5356ACPZ-R7 uses a 6 mm × 6 mm, 36-lead LFCSP package with exposed thermal pad (EPAD) requiring PCB ground connection. Pin numbering follows top-view layout per Analog Devices Rev. 0 datasheet Figure 2.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar RF mixer applications.

Compared with ADL5355ACPZ-R7, the ADL5356ACPZ-R7 adds diversity path, IF amplification, and +4 dB IIP3 - justifying its use in carrier-class base stations. Versus HMC774ALC3TR, it trades bandwidth for integration, eliminating six external components but limiting upper RF edge to 2500 MHz.

Availability

ADL5356ACPZ-R7 is available at Aetrix Electronics and suitable for cellular base station receivers, transmit observation receivers, radiolink downconverters, and TDD baseband monitoring requiring stable component supply across industrial temperature ranges and long production lifecycles.

Supply support for ADL5356ACPZ-R7 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Analog Devices is a global leader in high-performance analog, mixed-signal, and RF ICs, serving communications, industrial, and automotive markets with precision signal processing solutions.

The ADL5356ACPZ-R7 belongs to Analog Devices' high-linearity RF mixer product line, designed specifically for demanding wireless infrastructure applications requiring integrated baluns, dual-channel operation, and wide dynamic range over temperature.

FAQ

What is the recommended LO drive level for optimal performance of the ADL5356ACPZ-R7?

The ADL5356ACPZ-R7 achieves best-in-class linearity and noise figure with a nominal LO drive of 0 dBm. At this level, it delivers 8.2 dB power conversion gain, +31 dBm IIP3, and 9.9 dB SSB noise figure. Driving below −6 dBm reduces conversion gain and degrades IP3; above +10 dBm increases current draw without significant benefit and risks exceeding absolute maximum ratings. The ADL5356ACPZ-R7 includes internal LO limiting to tolerate ±1 dB variation.

How does the ADL5356ACPZ-R7 handle dual-LO switching in TDD systems?

The ADL5356ACPZ-R7 integrates a high-isolation SPDT LO switch controlled by the LOSW pin. Setting LOSW high selects LOI1; setting it low selects LOI2. Isolation exceeds 40 dB across 1230–2470 MHz, preventing crosstalk during fast TDD transitions. Both LO inputs are internally matched to 50 Ω and require AC coupling. The ADL5356ACPZ-R7 maintains consistent conversion gain and IIP3 regardless of selected LO path.

Can the ADL5356ACPZ-R7 operate from a 3.3 V supply, and what performance changes occur?

Yes, the ADL5356ACPZ-R7 supports 3.3 V operation with reduced quiescent current (200 mA vs. 350 mA at 5 V). Key trade-offs include slightly improved SSB noise figure (8.9 dB vs. 9.9 dB), reduced IIP3 (+21.2 dBm vs. +31 dBm), and lower P1dB (+7 dBm vs. +11 dBm). All specifications remain fully characterized per datasheet Tables 3 and 4. The PWDN pin must be grounded when operating above 3.6 V.

What is the function of the VGS0, VGS1, and VGS2 pins on the ADL5356ACPZ-R7?

VGS0, VGS1, and VGS2 are digital control inputs that set the gate-to-source voltage of the passive mixer's MOSFET switches. They allow dynamic optimization of the linearity-noise trade-off: logic-low settings (000) maximize IIP3; intermediate codes (e.g., 011) improve noise figure at modest IIP3 reduction. These pins do not affect LO drive or IF gain - they exclusively tune the mixer core's bias point. The ADL5356ACPZ-R7 datasheet provides measured curves for all combinations.

Is an evaluation board available for the ADL5356ACPZ-R7, and what does it demonstrate?

Yes, Analog Devices offers the ADL5356-EVALZ evaluation board for the ADL5356ACPZ-R7. It demonstrates full dual-channel operation with SMA connectors for RF/LO/IF, onboard bias networks, and test points for VGS control and current measurement. The board validates key specs including conversion gain, IIP3, and spurious performance per datasheet Tables 2–4, and supports both 3.3 V and 5 V operation. Layout files and design files are available from Analog Devices' website.